/* LTR Design System */
@import url('https://fonts.googleapis.com/css2?family=Sora:wght@400;500;600;700;800&family=Plus+Jakarta+Sans:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  --ink: #0B1426;
  --ink-2: #15243F;
  --ink-3: #1E3357;
  --ink-line: rgba(255,255,255,.08);
  --accent: #2DD4BF;
  --accent-2: #14B8A6;
  --accent-soft: rgba(45,212,191,.14);
  --bg: #F4F6FB;
  --bg-2: #ECEFF6;
  --card: #FFFFFF;
  --card-line: #E6E9F1;
  --card-line-soft: #EEF1F7;
  --t-1: #0B1426;
  --t-2: #475569;
  --t-3: #94A3B8;
  --t-on-dark: #E7ECF5;
  --t-on-dark-muted: #94A3B8;
  --green: #16A34A;
  --green-soft: #DCFCE7;
  --green-border: #BBF7D0;
  --amber: #D97706;
  --amber-soft: #FEF3C7;
  --amber-border: #FDE68A;
  --red: #DC2626;
  --red-soft: #FEE2E2;
  --red-border: #FECACA;
  --blue: #2563EB;
  --blue-soft: #DBEAFE;
  --n-green: #15803D;
  --n-green-bg: #E7F5EC;
  --n-amber: #B45309;
  --n-amber-bg: #FEF3C7;
  --n-red: #B91C1C;
  --n-red-bg: #FEE2E2;
  --f-display: 'Sora', system-ui, sans-serif;
  --f-body: 'Plus Jakarta Sans', system-ui, sans-serif;
  --f-mono: 'JetBrains Mono', ui-monospace, monospace;
  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 16px;
  --r-xl: 22px;
  --shadow-card: 0 1px 0 rgba(15,23,42,.04), 0 1px 2px rgba(15,23,42,.04);
  --shadow-pop: 0 24px 60px -20px rgba(15,23,42,.35), 0 8px 20px -8px rgba(15,23,42,.18);
  --shadow-hero: 0 30px 60px -30px rgba(11,20,38,.6);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; min-height: 100%; }
body {
  font-family: var(--f-body);
  font-size: 14px;
  color: var(--t-1);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  margin-bottom: 0 !important;
}
button { font: inherit; cursor: pointer; }
input, select, textarea { font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }

/* ---------- TopNav ---------- */
.ltr-nav {
  background: var(--ink);
  color: var(--t-on-dark);
  border-bottom: 1px solid var(--ink-line);
  position: sticky;
  top: 0;
  z-index: 40;
}
.ltr-nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 12px 28px;
  display: flex;
  align-items: center;
  gap: 24px;
}
.ltr-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--f-display);
  font-weight: 800;
  letter-spacing: .04em;
  color: #fff;
  text-decoration: none;
  flex-shrink: 0;
}
.ltr-brand-mark {
  width: 32px;
  height: 32px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--accent) 0%, #5EEAD4 100%);
  display: grid;
  place-items: center;
  color: var(--ink);
  font-family: var(--f-display);
  font-weight: 800;
  font-size: 13px;
  letter-spacing: -.02em;
  box-shadow: 0 6px 14px -4px rgba(45,212,191,.5);
}
.ltr-brand-word { font-size: 16px; }
.ltr-brand-sub {
  font-family: var(--f-body);
  font-weight: 600;
  font-size: 9.5px;
  letter-spacing: .18em;
  color: var(--t-on-dark-muted);
  text-transform: uppercase;
  margin-top: 2px;
}
.ltr-brand-stack { display: flex; flex-direction: column; line-height: 1; gap: 2px; }

.ltr-nav-links { display: flex; align-items: center; gap: 4px; margin-left: 8px; }
.ltr-nav-link {
  padding: 8px 14px;
  border-radius: 999px;
  color: rgba(231,236,245,.7);
  text-decoration: none;
  font-weight: 500;
  font-size: 13.5px;
  transition: color .15s, background .15s;
  border: 0;
  background: transparent;
  display: flex;
  align-items: center;
  gap: 7px;
  white-space: nowrap;
}
.ltr-nav-link:hover { color: #fff; background: rgba(255,255,255,.05); }
.ltr-nav-link.is-active {
  color: var(--ink);
  background: var(--accent);
  font-weight: 600;
}

.ltr-nav-right { margin-left: auto; display: flex; align-items: center; gap: 14px; }

.ltr-nav-user {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 10px 4px 4px;
  border-radius: 999px;
  background: rgba(255,255,255,.04);
  border: 1px solid var(--ink-line);
  color: #fff;
  cursor: pointer;
  transition: background .15s, border-color .15s;
}
.ltr-nav-user:hover,
.ltr-nav-user.show { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.15); }

.ltr-nav-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), #5EEAD4);
  color: var(--ink);
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 11.5px;
  flex-shrink: 0;
}
.ltr-nav-username { font-size: 12.5px; font-weight: 600; }
.ltr-nav-chev { color: var(--t-on-dark-muted); font-size: 10px; margin-right: 2px; }

/* Bootstrap dropdown override for user menu */
.ltr-nav-user .dropdown-menu {
  min-width: 220px;
  background: #fff;
  color: var(--t-1);
  border: 1px solid var(--card-line);
  border-radius: 14px;
  box-shadow: var(--shadow-pop);
  padding: 6px;
  top: calc(100% + 8px) !important;
  left: auto !important;
  right: 0 !important;
  transform: none !important;
  margin-top: 0;
}
.ltr-nav-user .dropdown-menu .dropdown-header {
  padding: 10px 12px 12px;
  border-bottom: 1px solid var(--card-line-soft);
  margin-bottom: 4px;
  font-size: 13px;
  color: var(--t-1);
}
.ltr-nav-user .dropdown-menu .dropdown-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: 8px;
  color: var(--t-1);
  font-size: 13px;
  font-weight: 500;
}
.ltr-nav-user .dropdown-menu .dropdown-item:hover { background: var(--bg-2); }
.ltr-nav-user .dropdown-menu .dropdown-divider { margin: 4px 0; border-color: var(--card-line-soft); }
.ltr-nav-user .dropdown-menu .dropdown-item.text-danger { color: #991B1B !important; }
.ltr-nav-user .dropdown-menu .dropdown-item.text-danger:hover { background: var(--red-soft); }

/* ---------- Hero band ---------- */
.ltr-hero {
  background: var(--ink);
  color: var(--t-on-dark);
  position: relative;
  overflow: hidden;
}
.ltr-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(800px 300px at 90% -20%, rgba(45,212,191,.15), transparent 60%),
    radial-gradient(500px 240px at 10% 110%, rgba(45,212,191,.08), transparent 60%);
  pointer-events: none;
}
.ltr-hero-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 28px 28px 32px;
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.ltr-hero-eyebrow {
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}
.ltr-hero-eyebrow::before {
  content: '';
  width: 18px;
  height: 1.5px;
  background: var(--accent);
  display: inline-block;
}
.ltr-hero-title {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 30px;
  line-height: 1.1;
  margin: 0 0 6px;
  letter-spacing: -.015em;
  color: #fff;
}
.ltr-hero-sub { color: var(--t-on-dark-muted); font-size: 13.5px; max-width: 560px; margin: 0; }
.ltr-hero-stats { display: flex; gap: 32px; padding-bottom: 4px; flex-wrap: wrap; }
.ltr-hero-stat { display: flex; flex-direction: column; gap: 4px; }
.ltr-hero-stat-label { font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--t-on-dark-muted); }
.ltr-hero-stat-value { font-family: var(--f-display); font-weight: 700; font-size: 22px; color: #fff; font-variant-numeric: tabular-nums; }
.ltr-hero-stat-value.is-good { color: var(--accent); }

/* ---------- Page container ---------- */
.ltr-page {
  max-width: 1280px;
  margin: 0 auto;
  padding: 28px;
}

/* ---------- Cards ---------- */
.ltr-card {
  background: var(--card);
  border: 1px solid var(--card-line);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}
.ltr-card-head {
  padding: 16px 22px;
  border-bottom: 1px solid var(--card-line-soft);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.ltr-card-title {
  font-family: var(--f-display);
  font-weight: 600;
  font-size: 14.5px;
  letter-spacing: -.005em;
  margin: 0;
}
.ltr-card-sub { font-size: 12.5px; color: var(--t-2); margin-top: 2px; }
.ltr-card-body { padding: 18px 22px; }
.ltr-card-body-flush { padding: 0; }

/* ---------- Buttons ---------- */
.btn {
  appearance: none;
  border: 0;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  font-family: var(--f-body);
  font-weight: 600;
  padding: 9px 16px;
  border-radius: 10px;
  font-size: 13px;
  white-space: nowrap;
  transition: background .15s, color .15s, border-color .15s, transform .05s;
  text-decoration: none;
  line-height: 1.4;
}
.btn:focus { box-shadow: 0 0 0 3px var(--accent-soft); outline: none; }
.btn:active { transform: translateY(1px); }
.btn-dark, .btn-primary {
  background: var(--ink);
  color: #fff;
  border: 1px solid transparent;
}
.btn-dark:hover, .btn-primary:hover { background: #18243f; color: #fff; }
.btn-accent {
  background: var(--accent);
  color: var(--ink);
  border: 1px solid transparent;
}
.btn-accent:hover { background: #5EEAD4; color: var(--ink); }
.btn-outline-secondary, .btn-ghost {
  background: transparent;
  color: var(--t-1);
  border: 1px solid var(--card-line);
}
.btn-outline-secondary:hover, .btn-ghost:hover { background: var(--bg-2); border-color: #D6DBE5; color: var(--t-1); }
.btn-danger, .btn-outline-danger {
  background: transparent;
  color: var(--red);
  border: 1px solid var(--red-border);
}
.btn-danger:hover, .btn-outline-danger:hover { background: var(--red-soft); color: var(--red); }
.btn-outline-success {
  background: transparent;
  color: var(--green);
  border: 1px solid var(--green-border);
}
.btn-outline-success:hover { background: var(--green-soft); color: var(--green); }
.btn-sm { padding: 6px 11px; font-size: 12px; border-radius: 8px; }
.btn .bi, .btn svg { width: 14px; height: 14px; flex-shrink: 0; }

/* ---------- Badges / Pills ---------- */
.badge, .pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .01em;
}
.pill-dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; display: inline-block; }
.bg-success, .badge-success { background: var(--green-soft) !important; color: #166534 !important; }
.bg-secondary { background: rgba(11,20,38,.06) !important; color: var(--t-1) !important; }
.bg-danger, .badge-danger { background: var(--red-soft) !important; color: #991B1B !important; }
.bg-warning { background: var(--amber-soft) !important; color: #92400E !important; }
.bg-primary { background: var(--blue-soft) !important; color: #1E40AF !important; }
.badge.bg-success { background: var(--green-soft) !important; color: #166534 !important; }
.badge.bg-danger { background: var(--red-soft) !important; color: #991B1B !important; }
.badge.bg-warning { background: var(--amber-soft) !important; color: #92400E !important; }
.badge.bg-secondary { background: rgba(11,20,38,.08) !important; color: var(--t-1) !important; }
.text-success { color: var(--green) !important; }
.text-danger { color: var(--red) !important; }

/* ---------- Inputs & Forms ---------- */
.form-control, .form-select, .input, .select {
  appearance: none;
  background: #fff;
  border: 1px solid var(--card-line);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 13.5px;
  color: var(--t-1);
  transition: border-color .15s, box-shadow .15s;
  width: 100%;
  font-family: var(--f-body);
}
.form-control:focus, .form-select:focus, .input:focus, .select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.form-select {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'><path d='M3 4.5l3 3 3-3' stroke='%2364748B' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/></svg>");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 30px;
}
.form-label, .field-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--t-2);
  letter-spacing: .01em;
  margin-bottom: 4px;
  display: block;
}
.form-text { font-size: 12px; color: var(--t-3); margin-top: 4px; }
.form-check-input { cursor: pointer; }
.invalid-feedback { font-size: 12px; color: var(--red); margin-top: 4px; }
.text-danger.small { font-size: 12px; }
.input-money { font-family: var(--f-mono); font-variant-numeric: tabular-nums; }

/* ---------- Alerts ---------- */
.alert {
  border-radius: 12px;
  padding: 12px 14px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13px;
  border-width: 1px;
  border-style: solid;
}
.alert-success { background: var(--green-soft); color: #166534; border-color: var(--green-border); }
.alert-danger { background: var(--red-soft); color: #991B1B; border-color: var(--red-border); }
.alert-warning { background: var(--amber-soft); color: #92400E; border-color: var(--amber-border); }
.alert-info { background: #EEF6FF; color: #1E40AF; border-color: var(--blue-soft); }
.alert .btn-close { margin-left: auto; filter: none; }

/* ---------- Tables ---------- */
.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  margin: 0;
}
.table thead th {
  text-align: left;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--t-2);
  padding: 12px 22px;
  background: var(--bg-2);
  border-bottom: 1px solid var(--card-line);
  border-top: none;
}
.table tbody td {
  padding: 14px 22px;
  border-bottom: 1px solid var(--card-line-soft);
  color: var(--t-1);
  vertical-align: middle;
  border-top: none;
}
.table tbody tr:last-child td { border-bottom: 0; }
.table-hover tbody tr:hover { background: #FAFBFE !important; --bs-table-accent-bg: #FAFBFE; }
.table-sm td, .table-sm th { padding: 8px 22px !important; }
.table-bordered { border: 1px solid var(--card-line) !important; }
.table-bordered td, .table-bordered th { border: 1px solid var(--card-line-soft) !important; }
.table-dark thead th { background: var(--ink) !important; color: var(--t-on-dark) !important; }
.table-light thead { background: var(--bg-2) !important; }
.table-secondary { background: var(--bg-2) !important; }
.table tfoot td { padding: 12px 22px; }
.text-end { text-align: right !important; }
.text-center { text-align: center !important; }
.text-muted { color: var(--t-2) !important; }
.fw-semibold { font-weight: 600; }
.fw-bold { font-weight: 700; }
.table .btn-close { font-size: .5rem; }

/* ---------- Bootstrap Modal Override ---------- */
.modal-backdrop { background: rgba(11,20,38,.55); }
.modal-backdrop.show { opacity: 1; }
.modal-dialog {
  max-width: min(560px, calc(100% - 48px));
  margin: 24px auto;
}
.modal-dialog-scrollable .modal-content { max-height: calc(100vh - 48px); }
.modal-content {
  border-radius: var(--r-xl) !important;
  border: none !important;
  box-shadow: var(--shadow-pop);
  overflow: hidden;
  background: #fff;
}
.modal-header {
  padding: 20px 24px 14px !important;
  border-bottom: 1px solid var(--card-line-soft) !important;
  align-items: flex-start;
  background: #fff;
}
.modal-title {
  font-family: var(--f-display);
  font-weight: 600;
  font-size: 17px;
  letter-spacing: -.01em;
  color: var(--t-1);
}
.modal-body {
  padding: 18px 24px !important;
  background: #fff;
}
.modal-footer {
  padding: 14px 24px !important;
  border-top: 1px solid var(--card-line-soft) !important;
  background: #FAFBFE;
  justify-content: flex-end;
  gap: 8px;
}
.btn-close {
  opacity: .5;
  background: none;
  border: none;
  font-size: 18px;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 8px;
  line-height: 1;
  color: var(--t-2);
}
.btn-close:hover { opacity: 1; background: var(--bg-2); }
.btn-close::before { content: '×'; }

/* ---------- Tabs ---------- */
.ltr-tabs {
  display: inline-flex;
  background: var(--bg-2);
  padding: 4px;
  border-radius: 10px;
  gap: 2px;
}
.ltr-tab {
  padding: 6px 14px;
  border-radius: 7px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--t-2);
  background: transparent;
  border: 0;
  cursor: pointer;
  transition: background .12s, color .12s;
}
.ltr-tab.is-on, .ltr-tab.active { background: #fff; color: var(--t-1); box-shadow: 0 1px 2px rgba(15,23,42,.06); }

/* ---------- Number grid ---------- */
.ltr-numgrid {
  display: grid;
  grid-template-columns: repeat(10, minmax(0, 1fr));
  gap: 10px;
}
.ltr-num {
  position: relative;
  aspect-ratio: 1 / 1;
  border-radius: 14px;
  border: 1.5px solid transparent;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -.01em;
  cursor: pointer;
  transition: transform .12s, box-shadow .12s;
  background: var(--n-green-bg);
  color: var(--n-green);
  border-color: rgba(21,128,61,.14);
  overflow: hidden;
}
.ltr-num:hover { transform: translateY(-2px); box-shadow: 0 8px 18px -10px rgba(15,23,42,.25); }
.ltr-num.is-amber { background: var(--n-amber-bg); color: var(--n-amber); border-color: rgba(180,83,9,.18); }
.ltr-num.is-red { background: var(--n-red-bg); color: var(--n-red); border-color: rgba(185,28,28,.2); }
.ltr-num-sub {
  font-family: var(--f-body);
  font-weight: 600;
  font-size: 8.5px;
  margin-top: 2px;
  opacity: .7;
  letter-spacing: .02em;
  font-variant-numeric: tabular-nums;
  text-align: center;
  line-height: 1.2;
}
.ltr-num-bar {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 3px;
  background: currentColor;
  opacity: .35;
}

/* ---------- Operación layout ---------- */
.ltr-op-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 18px;
  align-items: start;
}
.ltr-op-layout.is-solo { grid-template-columns: 1fr; }

.ltr-op-rail {
  background: var(--card);
  border: 1px solid var(--card-line);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-card);
  position: sticky;
  top: calc(56px + 18px);
  max-height: calc(100vh - 56px - 36px);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.ltr-op-rail-head {
  padding: 14px 16px 12px;
  border-bottom: 1px solid var(--card-line-soft);
  flex-shrink: 0;
}
.ltr-op-rail-title {
  font-family: var(--f-display);
  font-weight: 600;
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.ltr-op-rail-search {
  margin-top: 8px;
  width: 100%;
  background: var(--bg-2);
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 7px 10px;
  font-size: 12.5px;
  color: var(--t-1);
}
.ltr-op-rail-search::placeholder { color: var(--t-3); }
.ltr-op-rail-search:focus { outline: none; background: #fff; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.ltr-op-rail-list {
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  overflow-y: auto;
  flex: 1;
}
.ltr-op-rail-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px;
  border-radius: 10px;
  cursor: pointer;
  border: 1px solid transparent;
  background: transparent;
  text-align: left;
  color: inherit;
  transition: background .12s, border-color .12s;
  width: 100%;
  text-decoration: none;
}
.ltr-op-rail-item:hover { background: var(--bg-2); }
.ltr-op-rail-item.is-on {
  background: var(--accent-soft);
  border-color: rgba(45,212,191,.45);
}
.ltr-op-rail-num {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--bg-2);
  display: grid;
  place-items: center;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 12px;
  color: var(--t-1);
  flex-shrink: 0;
}
.ltr-op-rail-item.is-on .ltr-op-rail-num { background: var(--accent); color: var(--ink); }
.ltr-op-rail-info { flex: 1; min-width: 0; }
.ltr-op-rail-name {
  font-weight: 600;
  font-size: 13px;
  color: var(--t-1);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.ltr-op-rail-meta { font-size: 11px; color: var(--t-2); margin-top: 2px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.ltr-op-empty {
  background: var(--card);
  border: 1.5px dashed var(--card-line);
  border-radius: var(--r-lg);
  padding: 60px 24px;
  text-align: center;
  color: var(--t-2);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
.ltr-op-empty-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: var(--accent-soft);
  color: #0F766E;
  display: grid;
  place-items: center;
  margin-bottom: 4px;
}

/* ---------- Legend ---------- */
.ltr-legend {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 12px;
  color: var(--t-2);
}
.ltr-legend-item { display: inline-flex; align-items: center; gap: 7px; }
.ltr-legend-sw { width: 10px; height: 10px; border-radius: 3px; display: inline-block; }
.ltr-legend-sw.g { background: var(--n-green); }
.ltr-legend-sw.a { background: var(--n-amber); }
.ltr-legend-sw.r { background: var(--n-red); }

/* ---------- Segmented control ---------- */
.ltr-seg {
  display: inline-flex;
  padding: 3px;
  background: var(--bg-2);
  border-radius: 999px;
  gap: 2px;
  border: 1px solid var(--card-line);
}
.ltr-seg button {
  border: 0;
  background: transparent;
  padding: 6px 12px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 12px;
  color: var(--t-2);
  cursor: pointer;
}
.ltr-seg button.on, .ltr-seg button.is-on { background: #fff; color: var(--t-1); box-shadow: 0 1px 2px rgba(15,23,42,.08); }

/* ---------- Limit bar ---------- */
.ltr-lim-bar {
  height: 4px;
  border-radius: 999px;
  background: #EEF2F7;
  overflow: hidden;
  margin-top: 6px;
}
.ltr-lim-bar > span { display: block; height: 100%; background: var(--n-green); border-radius: 999px; }
.ltr-lim-bar.is-amber > span { background: var(--n-amber); }
.ltr-lim-bar.is-red > span { background: var(--n-red); }

/* ---------- Avatar ---------- */
.ltr-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 12px;
  flex-shrink: 0;
}
.ltr-avatar.tone-1 { background: #DBEAFE; color: #1E40AF; border: 1px solid #BFDBFE; }
.ltr-avatar.tone-2 { background: #DCFCE7; color: #166534; border: 1px solid #BBF7D0; }
.ltr-avatar.tone-3 { background: var(--amber-soft); color: #92400E; border: 1px solid var(--amber-border); }
.ltr-avatar.tone-4 { background: var(--accent-soft); color: #0F766E; border: 1px solid rgba(45,212,191,.4); }

/* ---------- Banner ---------- */
.ltr-banner {
  border-radius: 12px;
  padding: 12px 14px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13px;
}
.ltr-banner-info { background: #EEF6FF; color: #1E40AF; border: 1px solid var(--blue-soft); }
.ltr-banner-warn { background: var(--amber-soft); color: #92400E; border: 1px solid var(--amber-border); }
.ltr-banner-success { background: var(--green-soft); color: #166534; border: 1px solid var(--green-border); }

/* ---------- Misc utilities ---------- */
.mono { font-family: var(--f-mono); font-variant-numeric: tabular-nums; }
.display { font-family: var(--f-display); }
.muted { color: var(--t-2); }
.ltr-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.ltr-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }

/* Sale pair rows in modal */
.ltr-pair-row {
  padding: 10px 12px;
  border: 1px solid var(--card-line);
  border-radius: 12px;
  background: #FAFBFE;
  display: grid;
  grid-template-columns: 1fr 1fr auto auto;
  gap: 8px;
  align-items: center;
  margin-bottom: 8px;
}
.ltr-pair-row.is-full { border-color: var(--red-border); background: #FEF7F7; }
.ltr-pair-row.is-near { border-color: var(--amber-border); background: #FFFBEB; }
.btn-remove-item {
  width: 26px; height: 26px;
  padding: 0;
  border: none;
  border-radius: 6px;
  background: transparent;
  color: var(--t-3);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background .12s, color .12s;
}
.btn-remove-item:hover:not(:disabled) { background: #fee2e2; color: #ef4444; }
.btn-remove-item:disabled { opacity: .25; cursor: default; }
.ltr-pair-warn {
  font-size: 11.5px;
  margin-top: 4px;
  display: flex;
  align-items: center;
  gap: 5px;
  font-weight: 600;
}
.ltr-pair-warn.warn-red { color: var(--red); }
.ltr-pair-warn.warn-amber { color: var(--amber); }

/* ---------- Login screen ---------- */
.ltr-login-wrap {
  min-height: 100vh;
  background: var(--ink);
  color: var(--t-on-dark);
  position: relative;
  overflow: hidden;
  display: grid;
  place-items: center;
  padding: 24px;
}
.ltr-login-wrap::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(700px 380px at 80% 10%, rgba(45,212,191,.16), transparent 60%),
    radial-gradient(600px 360px at 10% 100%, rgba(45,212,191,.08), transparent 60%);
  pointer-events: none;
}
.ltr-login-card {
  position: relative;
  z-index: 1;
  width: min(420px, 100%);
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  backdrop-filter: blur(10px);
  border-radius: 22px;
  padding: 32px;
  box-shadow: var(--shadow-hero);
}
.ltr-login-mark {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent), #5EEAD4);
  color: var(--ink);
  display: grid;
  place-items: center;
  font-family: var(--f-display);
  font-weight: 800;
  font-size: 19px;
  letter-spacing: -.02em;
  margin-bottom: 22px;
  box-shadow: 0 12px 28px -8px rgba(45,212,191,.55);
}
.ltr-login-title { font-family: var(--f-display); font-weight: 700; font-size: 24px; color: #fff; letter-spacing: -.01em; }
.ltr-login-sub { color: var(--t-on-dark-muted); margin-top: 6px; font-size: 13.5px; }
.ltr-login-form { margin-top: 24px; display: flex; flex-direction: column; gap: 14px; }
.ltr-login-input {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 12px;
  padding: 12px 14px;
  color: #fff;
  font-size: 14px;
  width: 100%;
  font-family: var(--f-body);
}
.ltr-login-input::placeholder { color: rgba(231,236,245,.5); }
.ltr-login-input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); background: rgba(255,255,255,.08); }
.ltr-login-foot { margin-top: 22px; font-size: 12px; color: var(--t-on-dark-muted); text-align: center; }
.ltr-login-error { color: #FCA5A5; font-size: 12px; background: rgba(220,38,38,.15); border: 1px solid rgba(220,38,38,.3); border-radius: 8px; padding: 10px 12px; }
.ltr-login-error:empty { display: none; }

/* Password change screen */
.ltr-page-tight { max-width: 900px; margin: 0 auto; padding: 28px; }
.ltr-kv-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--card-line-soft);
  padding-bottom: 8px;
  font-size: 13px;
}
.ltr-kv-row:last-child { border-bottom: none; padding-bottom: 0; }
.ltr-kv-label { color: var(--t-2); font-size: 12px; }
.ltr-kv-value { font-weight: 600; }

/* Password strength meter */
.ltr-strength-bar {
  height: 5px;
  background: #EEF2F7;
  border-radius: 999px;
  overflow: hidden;
  flex: 1;
}
.ltr-strength-bar > span {
  display: block;
  height: 100%;
  border-radius: 999px;
  transition: width .2s, background .2s;
}

/* Number limits page */
.ltr-limits-grid {
  display: grid;
  grid-template-columns: repeat(10, minmax(0, 1fr));
  gap: 8px;
}
.ltr-limit-cell {
  border: 1px solid var(--card-line);
  border-radius: 12px;
  padding: 10px 8px;
  text-align: center;
  background: #fff;
}
.ltr-limit-cell-num {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 18px;
  color: var(--t-1);
}
.ltr-limit-cell input {
  width: 100%;
  font-size: 11px;
  padding: 4px 6px;
  border: 1px solid var(--card-line);
  border-radius: 6px;
  text-align: center;
  margin-top: 4px;
  font-family: var(--f-mono);
}
.ltr-limit-cell input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-soft); }

/* ---------- Game tabs (Operación screen) ---------- */
.ltr-game-tabs {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 18px;
}
.ltr-game-tab {
  appearance: none;
  text-align: left;
  background: var(--card);
  border: 1px solid var(--card-line);
  border-radius: 14px;
  padding: 14px 16px 13px;
  cursor: pointer;
  transition: border-color .15s, background .15s, transform .05s, box-shadow .15s;
  position: relative;
  display: flex; flex-direction: column; gap: 4px;
}
.ltr-game-tab:hover { border-color: #CBD1DD; background: #FAFBFE; }
.ltr-game-tab.is-on {
  border-color: var(--ink);
  background: var(--ink);
  color: #fff;
  box-shadow: 0 10px 28px -16px rgba(11,20,38,.55);
}
.ltr-game-tab.is-on .ltr-game-tab-sub { color: rgba(231,236,245,.7); }
.ltr-game-tab.is-on::after {
  content: '';
  position: absolute; left: 16px; right: 16px; bottom: 6px;
  height: 2px; background: var(--accent); border-radius: 2px;
}
.ltr-game-tab-label {
  font-family: var(--f-display);
  font-weight: 600;
  font-size: 14.5px;
  letter-spacing: -.005em;
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
}
.ltr-game-tab-sub {
  font-size: 11.5px;
  color: var(--t-2);
  font-weight: 500;
}
.ltr-game-tab.is-soon { background: #FAFBFE; opacity: .92; cursor: default; }
.ltr-game-tab.is-soon.is-on { opacity: 1; background: var(--ink); color: #fff; }
.ltr-game-tab-soon {
  font-size: 9.5px !important;
  padding: 2px 7px;
  letter-spacing: .04em;
  text-transform: uppercase;
  background: var(--amber-soft);
  color: #92400E;
  border: 1px solid var(--amber-border);
  border-radius: 999px;
}
.ltr-game-tab.is-on .ltr-game-tab-soon {
  background: rgba(255,255,255,.12);
  color: #FCD34D;
  border-color: rgba(252,211,77,.4);
}

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .ltr-game-tabs { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 900px) {
  .ltr-op-layout { grid-template-columns: 1fr; }
  .ltr-op-rail { position: relative; top: 0; max-height: 300px; }
  .ltr-grid-2, .ltr-grid-3 { grid-template-columns: 1fr; }
  .ltr-numgrid { grid-template-columns: repeat(5, minmax(0, 1fr)); }
  .ltr-hero-inner { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 640px) {
  .ltr-nav-inner { padding: 10px 16px; gap: 12px; }
  .ltr-hero-inner { padding: 20px 16px 24px; }
  .ltr-page, .ltr-page-tight { padding: 16px; }
}